The iPhone may have made the biggest tech splash in 2007, but a lot of other cannonballs hit the water as well: The year saw the hatching of Google's Android, a number of exploding laptops, and even a new tech-related ailment called "Acute Wiiitis."

What follows is a roundup of 2007's top tech news highlights, from Windows Vista to data breaches to a digital green movement that inspired a company called NHC to make an environmentally responsible MP3 player that Al Gore might jam out to.

Vista Follies

For many people, 2007 kicked off with a disappointment--Microsoft's much-anticipated release of Windows Vista. The OS itself wasn't bad--in fact, we gave Vista a positive review--but upgrading from an XP environment proved nightmarish for a lot of users.